(7) Functional selector button: function changes based on testing screen
(i.e. Tone or Speech).
Tone: new, to delete all stored results and start a new session.
Speech: reset the result percentage counter or play Wave file.
(8) Channel Stim button/Talk: to change from presenter to interrupter
mode, or to talk to the patient by pressing and holding the button down
(only one Stim/Talk button should be pressed for Talk Forward
capability).
(9) Functional selector button: to select left, right, or swap.
(10) Transducer selector button: to choose between Phones, Insert, Bone,
and Speaker (only calibrated receivers are available for selection).
(11) Functional selector button: function changes based on testing screen
(i.e. Tone or Speech).
Tone: signal selector, to choose between tone, narrow band noise, white
noise, or to switch the channel off.
Speech: select microphone, external CD player, Wave file, or speech
noise as signal source.
(12) Test signal selector button: for Steady, Pulse, Warble, or P&W (pulse and
warble tone).
(13) Functional selector button: function changes based on testing screen (i.e.
Tone or Speech).
Tone: selects test for selected receiver, either the pure tone threshold,
Hearing Level (HL), Most Comfortable Loudness (MCL), Uncomfortable
Loudness (UCL), or Over Threshold test.
Speech: select Speech Recognition Threshold (SRT), Word Recognition
Score (WRS), Master Hearing Aid (MHA), Most Comfortable Level (MCL),
or Uncomfortable Level (UCL).
(14) Select Unlock: Lock (locks presentation of the signal in both channels
together), Track (activates the masking noise to automatically increase
and decrease level in relationship to the signal), L&T (Lock and Track).
(15) Functional selector button: function changes based on testing screen
(i.e. Tone or Speech).
Tone: signal selector, to choose between tone, narrow band noise, white
noise, or to switch the channel off.
Speech: select microphone, external CD player, Wave file, or speech
noise as signal source.
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